Home / 769,881.34-1,062,459.75-430,363.90

Finding the Fourth Proportional to 769,881.34, 1,062,459.75 and 430,363.90

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Solution

The fourth proportional to 769,881.34, 1,062,459.75 and 430,363.90 is: 593,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,881.34 : 1,062,459.75 = 430,363.90 : x
  2. Step 2: Convert to fraction form
    769,881.34/1,062,459.75 = 430,363.90/x
  3. Step 3: Cross multiply
    769,881.34x = 1,062,459.75 × 430,363.90
  4. Step 4: Simplify right side
    769,881.34x = 457,244,321,603.03
  5. Step 5: Solve for x
    x = 457,244,321,603.03/769,881.34
  6. Step 6: Final answer
    x = 593,915.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.